From 9eda2d71357e560d9fae4fbdaee30a5501ee7629 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Wed, 16 Jan 2013 22:41:36 +0000
Subject: new python example

---
(limited to 'pysamples')

diff --git a/pysamples/load_file_to_heap.py b/pysamples/load_file_to_heap.py
new file mode 100644
index 0000000..919d6b5
--- /dev/null
+++ b/pysamples/load_file_to_heap.py
@@ -0,0 +1,30 @@
+#Copyright (c) 2010-11, Walter Bender, Tony Forster
+
+# This procedure is invoked when the user-definable block on the
+# "extras" palette is selected.
+
+# Usage: Import this code into a Python (user-definable) block; when
+# this code is run, the chooser will be opened for selecting a file
+# from the GNU/Linux file system. The contents of that file will be
+# loaded onto the FILO heap. Data is assumed to be json encoded.
+
+
+def myblock(tw, path):
+    ''' Load heap from file (GNOME only) '''
+
+    import os
+    from TurtleArt.tautils import get_load_name, data_from_file
+
+    if type(path) == float:
+        path = ''
+
+    if not os.path.exists(path):
+        path, tw.load_save_folder = get_load_name('.*', tw.load_save_folder)
+        if path is None:
+            return
+
+    data = data_from_file(path)
+    if data is not None:
+        for val in data:
+            tw.lc.heap.append(val)
+        tw.lc.update_label_value('pop', tw.lc.heap[-1])
--
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